Safeguard the public, plant personnel, the facility, and the environment from a nuclear plant fire and its potential effect on safe reactor operations with the up-to-date guidance in NFPA 805: Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants. Used in the United States and internationally, this Standard specifies the minimum fire protection requirements for existing light water nuclear power plants during all phases of plant operation, including shutdown, degraded conditions, and decommissioning.